The FlexPak-G2 and its variants have com port power capability on COM2 only (not on COM1). Voltage rating: Dependent on the input voltage supplied to power the FlexPak-G2 receiver via the 4-pin LEMO connector. Please note that under worst case scenarios, there will be a 1V drop due to loading conditions. Current rating: 1A on power output @ 12 VDC input. There are no user commands to disable/enable the peripheral com port power on the FlexPak-G2 and its variants.